Design of a segmented rapid voltage regulation model based on thyristors

被引：0
|
作者：
Song K. [1 ]
Ma H. [2 ]
Wang H. [3 ]
Xu T. [1 ]
Gu S. [2 ]
机构：
[1] Xianning Power Supply Company, State Grid Hubei Electric Power Company, Xianning
[2] College of Energy and Electrical Engineering, Hohai University, Nanjing
[3] Nanjing Power Supply Branch, State Grid Jiangsu Electric Power Company, Nanjing
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2019年 / 47卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Automatic control; Distribution transformer; Regulator winding; Segmented model;
D O I：
10.7667/PSPC180394
中图分类号：
学科分类号：
摘要：
Aiming at solving the problems of the existing mechanical on-load voltage regulation and power electronic automatic voltage regulators with complicated structure, lengthy switching process and slow response speed, a segmented fast voltage regulation model based on thyristors is proposed. The model removes redundant transitional circuits to reduce voltage regulation structure. Under the condition of ensuring that there is no short-term voltage and current interruption, it cooperates with the characteristics of high-frequency full-control thyristors, and uses fast switching thyristors and segmented windings to restrict the transitional circulation and simplify the regulation. The process can be switched at any time, which breaks the limit of zero-crossing switching theory. The influencing factors of the loop current are determined through the theoretical inference, and reasonable values of the influencing parameter are obtained based on the simulation experiment and the result analysis. The final parameters are used in the 10 kV/0.4 kV and 400 kVA transformer to be simulated by Matlab. The experiment has proved the feasibility, reliability and rapidity of the segmented model. © 2019, Power System Protection and Control Press. All right reserved.
引用
收藏
页码：135 / 141
页数：6
相关论文
共 21 条
  • [1] Wang J., Sheng W., Fang H., Et al., Design of a self-adaptive distribution transformer, Automation of Electric Power Systems, 38, 10, pp. 86-92, (2014)
  • [2] Echanvarria R., Claudio A., Cotorogea M., Analysis, design, and implementation of a fast on-load tap changing regulator, IEEE Transactions on Power Electronics, 22, 2, pp. 527-534, (2007)
  • [3] Zhang D., Li J., Hui D., Coordinated control for voltage regulation of distribution network voltage regulation by distributed energy storage systems, Protection and Control of Modern Power Systems, 3, 3, pp. 35-42, (2018)
  • [4] Yu X., Song S., Guo R., Et al., Optimal reactive power flow model for AC/DC hybrid power grid with voltage source converters, Power System Protection and Control, 45, 19, pp. 148-153, (2017)
  • [5] Cao L., Wang R., Hu P., Research on the solution for three-phase unbalanced load in low voltage distribution network, Electrical & Energy Management Technology, 16, pp. 44-51, (2017)
  • [6] Yin X., Wang Z., Chen Y., Et al., Multi-object analysis and control of static synchronous compensators integrated with distribution transformer, Power System Protection and Control, 46, 9, pp. 1-9, (2018)
  • [7] Han W., Zhou Z., Wang Y., Et al., Study of area substation voltage and reactive power control based on load forecasting, Power System Protection and Control, 40, 8, pp. 68-72, (2012)
  • [8] Sun W., Zhang M., Further discussion on "five-zone" theory in the area of voltage and reactive power synthetical control, Automation of Electric Power Systems, 29, 23, pp. 69-75, (2005)
  • [9] Zhang W., Zhang Z., Song X., Et al., Development of new on-load tap changer, Transformer, 47, 9, pp. 34-36, (2010)
  • [10] Li X., Research on principles and applications of on load tap changing voltage with connectivity topology assembling state, (2005)
123